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SpreadJS 可以将各种形状(例如基本形状、连接器、自定义形状、相机、迷你图和文本框形状)导出为图像源。SpreadJS 还允许将表单控件形状导出为图像。然而,对于列表框控件,仅导出当前滚动到的区域,而组合框控件中的下拉区域无法导出。
插入形状或形状基对象后,可以使用 shape.toImageSrc()
API 获取图像源。
以下代码示例展示了如何将电子表格上的形状对象保存为图像源。
// 添加一个形状
var donutShape = sheet.shapes.add('autoShape', GC.Spread.Sheets.Shapes.AutoShapeType.donut, 100, 50, 150, 150);
// 获取形状的图像源
let shapeImageSrc = sheet.shapes.all()[0].toImageSrc();
对于某些形状,不同的设置会导致导出的形状图像大小不同。例如,对于连接器形状,如果线宽不同,则导出的图像大小可能会因线宽而异。
导出图像 | 说明 |
---|---|
当线宽为 1 时 | |
当线宽为 40 时 |
在这里,这两种形状的长度相同。但由于线宽不同,导出的图像大小也不同。
Spread Designer 还提供了“保存为图片”选项,当您选择一个形状时,可以将选定的形状保存为图像。
以下是将形状保存为图像的步骤:
打开一个工作表
根据需要插入形状
右键单击形状,然后单击“保存为图片”
选择您要保存图像的位置。
命名文件并单击“保存”。
type=warning
注意事项:
目前,导出的文件格式为 PNG,文件名为默认对象名称。例如,chord 1
如果选择了多个形状对象,它们将一起导出,默认情况下导出文件名为 SpreadShapes